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https://www.readbyqxmd.com/read/27911456/mid-term-results-of-recap-magnum-taperloc-metal-on-metal-total-hip-arthroplasty-with-mean-follow-up-of-7-1-years
#1
Antonios A Koutalos, Aristotelis Kourtis, Ian C Clarke, Evert J Smith
INTRODUCTION: Despite enthusiasm for metal-on-metal bearings, disappointing short- to mid-term outcomes has all but halted the use of this bearing articulation. This review presents mid-term results for the ReCap Magnum total hip replacement. PATIENTS AND METHODS: This prospective study evaluated 79 ReCap/Magnum/Taperloc total hip replacements with mean follow-up of 7.1 (range 3.7-9.2) years. 43 were female and 36 male. Metal ions were measured and radiographic measurement included a 'margin of safety' angle to quantify risk of edge loading...
December 2, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27911455/functional-outcomes-of-infected-hip-arthroplasty-a-comparison-of-different-surgical-treatment-options
#2
Benjamin V Herman, Mark Nyland, Lyndsay Somerville, Steven J MacDonald, Brent A Lanting, James L Howard
BACKGROUND: Periprosthetic joint infection (PJI) following total hip arthroplasty (THA) can be treated with irrigation and debridement with head and polyethylene exchange (IDHPE) or 2-stage revision (2SR). Few studies have compared patient-reported outcome measures (PROMs) in patients managed with these treatments. METHODS: A retrospective review identified 137 patients who had an infected primary THA between 1986-2013. Control cohorts were matched according to age and Charlton Comorbidity Index (CCI)...
November 28, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27911302/association-between-cognitive-status-before-surgery-and-outcomes-in-elderly-patients-with-hip-fracture-in-a-dedicated-orthogeriatric-care-pathway
#3
Lorene Zerah, Judith Cohen-Bittan, Mathieu Raux, Anthony Meziere, Cendrine Tourette, Christian Neri, Marc Verny, Bruno Riou, Frederic Khiami, Jacques Boddaert
BACKGROUND: Dementia is associated with a worse prognosis of hip fracture, but the impact of a dedicated geriatric care pathway on the prognosis of these patients has not been evaluated. OBJECTIVE: According to the cognitive status before surgery, our main objective was to compare mortality rate at 6 months; secondary outcomes were to compare in-hospital complications, the risk of new institutionalization, and the ability to walk at 6 months. METHODS: Between 2009 and 2015, all patients (>70 years) admitted after hip fracture surgery into a dedicated unit of peri-operative geriatric care were included: patients with dementia (DP), without dementia (NDP), and with cognitive status not determined (CSND)...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27910817/on-the-molecular-interaction-between-femoral-heads-and-polyethylene-liners-in-artificial-hip-joints-phenomenology-and-molecular-scale-phenomena
#4
Giuseppe Pezzotti, B Sonny Bal, Elisa Casagrande, Nobuhiko Sugano, Bryan J McEntire, Wenliang Zhu, Leonardo Puppulin
The chemical interaction of femoral heads with polyethylene liners is an important new area of research in total hip arthroplasty (THA) as a consequence of an unabating quest for elongated artificial joint lifetimes. It is a topic that goes beyond simple mechanical behavior or wear. It seeks to describe the prosthetic device as a whole by adding chemical considerations to mechanics and abrasion. One of the poorly understood chemical interactions is oxygen affinity of the femoral heads. While oxygen unavoidably diffuses into the non-crystalline enclaves of the polyethylene liner as a result of its contact with the tribolayer, a ceramic femoral head can either attract or release oxygen due to its tribochemical interactions...
December 2, 2016: Biomedical Materials
https://www.readbyqxmd.com/read/27910102/association-of-serum-klotho-with-loss-of-bone-mineral-density-and-fracture-risk-in-older-adults
#5
Didier Chalhoub, Elisa Marques, Osorio Meirelles, Richard D Semba, Luigi Ferrucci, Suzanne Satterfield, Michael Nevitt, Jane A Cauley, Tamara Harris
OBJECTIVES: Klotho deficiency has been previously linked to aging-like phenotypes such as osteoporosis, cognitive impairment, and sarcopenia. Low serum klotho was shown to be related to grip strength and disability. Nonetheless, no previous study has explored the association between serum klotho and fractures. The purpose of this report is to examine the relationship of serum klotho with bone mineral density (BMD) loss and fractures in older adults. DESIGN: The Health, Aging, and Body Composition (Health ABC) Study is a longitudinal cohort study of 3,075 community-dwelling older adults...
December 2, 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27909903/obesity-and-kidney-cancer
#6
Kathryn M Wilson, Eunyoung Cho
Renal cell cancer (RCC) is the major type of kidney cancer with increasing incidence. Obesity is one of the well-established risk factors for RCC. Meta-analyses including multiple cohort and case-control studies have found a consistent positive association between obesity and RCC. The association appeared to be independent of other RCC risk factors including hypertension and has been often stronger in women, although a positive association has also been observed in men. Obesity has been largely measured as body mass index (BMI)...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27909900/obesity-and-colorectal-cancer
#7
Carmen Jochem, Michael Leitzmann
There is strong evidence that modifiable lifestyle factors such as obesity play a key role in colorectal carcinogenesis. Epidemiologic data have consistently reported a positive association between obesity and colorectal cancer. The relative risk associated with general obesity (as assessed by BMI) is higher in men than in women and for cancer of the colon than for cancer of the rectum. Abdominal obesity (as assessed by waist circumference (WC) or waist-to-hip ratio) is associated with an increased risk of colorectal cancer in both sexes, with stronger associations for cancer of the colon than for cancer of the rectum...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27909785/socioeconomic-inequality-in-clinical-outcome-among-hip-fracture-patients-a-nationwide-cohort-study
#8
P K Kristensen, T M Thillemann, A B Pedersen, K Søballe, S P Johnsen
: The evidence is limited regarding the association between socioeconomic status and the clinical outcome among patients with hip fracture. In this nationwide, population-based cohort study, higher education and higher family income were associated with a substantially lower 30-day mortality and risk of unplanned readmission after hip fracture. INTRODUCTION: We examined the association between socioeconomic status and 30-day mortality, acute readmission, quality of in-hospital care, time to surgery and length of hospital stay among patients with hip fracture...
December 1, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27909680/anatomic-labral-repair-in-the-hip-using-a-knotless-tensionable-suture-anchor
#9
Carlos Suarez-Ahedo, Timothy J Martin, John P Walsh, Sivashankar Chandrasekaran, Parth Lodhia, Benjamin G Domb
To perform a proper labral repair, most surgeons use anchors to secure the labrum to the acetabular bone. We aim to describe a technique for labral repair with a knotless tensionable suture anchor. This technique uses a looped suture configuration, allowing selective tensioning of the repair to maintain the anatomic suction seal of the hip. The use of this technique is easily reproducible and reduces the surgical time compared with previous techniques.
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909669/reconstruction-of-massive-posterior-nonrepairable-acetabular-labral-tears-with-peroneus-brevis-tendon-allograft-arthroscopy-assisted-mini-open-approach
#10
Esther Moya, Luis Gerardo Natera, Carlomagno Cardenas, Emanuele Astarita, Vittorio Bellotti, Manel Ribas
Many of the described labral-reconstruction procedures are purely arthroscopic. This approach only allows segmentary reconstructions. For more extensive reconstructions, surgical dislocation of the hip still represents the more suitable approach. We present an arthroscopy-assisted procedure combined with an anterior mini-open approach, which could be considered for reconstruction of nonrepairable labral lesions located in the posterior aspect of the acetabulum and massive reconstructions in cases of global-pincer femoroacetabular impingement and protrusio acetabuli...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909667/arthroscopic-capsular-reconstruction-of-the-hip-with-acellular-dermal-extracellular-matrix-surgical-technique
#11
Itay Perets, David E Hartigan, John P Walsh, Edwin Chaharbakhshi, Mary R Close, Benjamin G Domb
Atraumatic instability of the hip has become an increasingly studied occurrence in recent years. There are several established surgical techniques that help restore stability of the native hip joint. In some cases, these procedures are not an option. As the phenomenon has become recognized more frequently, a greater number of revision surgeries are warranted in patients with ligamentous laxity. A durable solution for irreparable microinstability needs to be formulated to address this vulnerable patient demographic...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909666/arthroscopic-reduction-and-internal-fixation-for-pipkin-type-i-femoral-head-fracture-technical-note
#12
Aditya Kekatpure, Taesoo Ahn, Soong Joon Lee, Mi Youn Jeong, Jae Suk Chang, Pil Whan Yoon
Femoral head fractures after posterior dislocation of the hip are uncommon and are conventionally treated by an open method. Hip arthroscopy can be a valuable treatment option for the management of femoral head fractures. Arthroscopy allows for a less invasive option when compared with arthrotomy and can allow faster recovery with minimal soft-tissue injury. We describe the arthroscopic reduction and internal fixation of Pipkin type I femoral head fractures with a detailed stepwise description of the surgical technique, including technical pearls and pitfalls, potential complications, and advantages and disadvantages...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909663/the-quebec-city-slider-a-technique-for-capsular-closure-and-plication-in-hip-arthroscopy
#13
Travis J Menge, Jorge Chahla, Eduardo Soares, Justin J Mitchell, Marc J Philippon
Biomechanical and clinical studies have shown that the hip joint capsule plays an important role in maintaining stability and hip mechanics, including rotation and translation. The recent literature has shown that capsule closure after hip arthroscopy helps to restore stability. Without restoration of the native anatomy, the hip joint may translate when patients engage in activities that place force across the hip, leading to either microinstability or frank dislocation. The purpose of this note is to describe our preferred technique of capsular closure or plication during hip arthroscopy...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909585/developmental-idealism-body-weight-and-shape-and-marriage-entry-in-transitional-china
#14
Hongwei Xu
New trends toward later and less marriage are emerging in post-reform China. Previous research has examined the changing individual-level socioeconomic and demographic characteristics shaping marriage entry in Chinese adults. Employing a cultural model known as developmental idealism (DI), this study argues that a new worldview specifying an ideal body type has become popular in the West and that this new worldview has been exported to China. This new part of the DI package is likely stratified by gender, has a stronger impact on women than on men, and has likely penetrated urban areas more than rural areas...
April 2016: Chinese Journal of Sociology
https://www.readbyqxmd.com/read/27909359/oa-go-away-development-and-preliminary-validation-of-a-self-management-tool-to-promote-adherence-to-exercise-and-physical-activity-for-people-with-osteoarthritis-of-the-hip-or-knee
#15
Gail Paterson, Karine Toupin April, Catherine Backman, Peter Tugwell
Purpose: To determine the face and content validity, construct validity, and test-retest reliability of the OA Go Away (OGA), a personalized self-management tool to promote adherence to exercise and physical activity for people with osteoarthritis (OA) of the hip or knee. Methods: The face and content validity of OGA version 1.0 were determined via interviews with 10 people with OA of the hip or knee and 10 clinicians. A revised OGA version 2.0 was then tested for construct validity and test-retest reliability with a new sample of 50 people with OA of the hip or knee by comparing key items in the OGA journal with validated outcome measures assessing similar health outcomes and comparing scores on key items of the journal 4-7 days apart...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27909136/errata
#16
(no author information available yet)
Tranexamic acid reduces blood loss in patients with extracapsular fractures of the hip. Bone Joint J 2016;98-B:747-753.
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27909123/comparative-study-of-computer-assisted-total-knee-arthroplasty-after-opening-wedge-osteotomy-versus-after-unicompartmental-arthroplasty
#17
R Pailhé, J Cognault, J Massfelder, A Sharma, R-C Rouchy, B Rubens-Duval, D Saragaglia
AIMS: The role of high tibial osteotomy (HTO) is being questioned by the use of unicompartmental knee arthroplasty (UKA) in the treatment of medial compartment femorotibial osteoarthritis. Our aim was to compare the outcomes of revision HTO or UKA to a total knee arthroplasty (TKA) using computer-assisted surgery in matched groups of patients. PATIENTS AND METHODS: We conducted a retrospective study to compare the clinical and radiological outcome of patients who underwent revision of a HTO to a TKA (group 1) with those who underwent revision of a medial UKA to a TKA (group 2)...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27909122/femoral-impaction-bone-grafting-in-revision-hip-arthroplasty-705-cases-from-the-originating-centre
#18
M J Wilson, S Hook, S L Whitehouse, A J Timperley, G A Gie
AIMS: Femoral impaction bone grafting was first developed in 1987 using morselised cancellous bone graft impacted into the femoral canal in combination with a cemented, tapered, polished stem. We describe the evolution of this technique and instrumentation since that time. PATIENTS AND METHODS: Between 1987 and 2005, 705 revision total hip arthroplasties (56 bilateral) were performed with femoral impaction grafting using a cemented femoral stem. All surviving patients were prospectively followed for a mean of 14...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27909121/the-rate-of-wear-of-second-generation-highly-crosslinked-polyethylene-liners-five-years-post-operatively-does-not-increase-if-large-femoral-heads-are-used
#19
S A Callary, J R Field, D G Campbell
AIMS: The increased in vivo resistance to wear of highly crosslinked polyethylene (HXLPE) in total hip arthroplasty (THA) has led to an increased use of larger articulations which have been shown to reduce the incidence of early dislocation. To date, there are few reports of the wear of larger articulations using second generation HXLPE liners. Our prospective cohort study measured the bedding-in and early wear of large (36 mm and 40 mm diameter) articulations involving a second generation X3 HXLPE liner and compared our findings with previous clinical and in vitro studies of the same material...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27909120/restoration-of-the-centre-of-rotation-in-primary-total-hip-arthroplasty-the-influence-of-acetabular-floor-depth-and-reaming-technique
#20
G Meermans, J Van Doorn, J-J Kats
AIMS: One goal of total hip arthroplasty is to restore normal hip anatomy. The aim of this study was to compare displacement of the centre of rotation (COR) using a standard reaming technique with a technique in which the acetabulum was reamed immediately peripherally and referenced off the rim. PATIENTS AND METHODS: In the first cohort the acetabulum was reamed to the floor followed by sequentially larger reamers. In the second cohort the acetabulum was only reamed peripherally, starting with a reamer the same size as the native femoral head...
December 2016: Bone & Joint Journal
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